Caprica is the prequel series to Battlestar Galactica (2004). Set 58 years prior to the events seen at the beginning of Battlestar Galactica, the series followed the initial creation of the machines that would become the Cylons. The series aired for one season on the Sci-Fi channel.

MAS 1873 chamelot delvigne

Walther P38

In 1.07 "Ghosts in the Machine", Heracles is seen carrying a Walther P38 into New Cap City. Joseph Adama calls it a "small gun." Tauron police forces carry the Walther P38 as their standard sidearm, in Ep. 1.15 "The Dirteaters".

Walther P38 - 9x19mm

A Walther P-38 carried by Heracles in New Cap City.

Heracles preparing to pull back the slide on the Walther P-38.

A police man presents a stolen Walther P-38.

Colt Python

A pair of Colt Python revolvers are carried by Joseph Adama and Emmanuelle into the burlesque club in Season One, Episode Seven, "Ghosts in the Machine."

Other guns

Submachine Guns

MP-40

Kimel AP-9

A Kimel AP-9 is carried by Joseph Adama (Esai Morales) into the burlesque club in the V-world game "New Cap City".

Kimel AP-9 9x19mm

KGP-9

A Hungarian KGP-9 carbine being repeatedly stripped and re-assembled by the Zoe Avatar in the U-87 Cylon body in Ep. 1.07 "Ghosts in the Machine." It has been dressed up by the show's armorers to resemble a weapon consistent with the Cylon design aesthetic. STO members carry KGP-9s in Ep. 1.14 "Blowback".

PPSh-41

One of the Weapons in Sams coffin appears to be a PPSh-41.

Soviet PPSh-41 Submachine Gun - 7.62x25mm Tokarev

Assault Rifles

L85A1

An L85A1 can be seen in the hands of a Caprican police officer at the memorial to the maglev bombing in the Season One, Episode One, "Rebirth." The L85A1 was previously shown in Battlestar Galactica to be the standard-issue assault rifle of the Colonial Armed Forces with L85A1's being seen in the hands of a Colonial Fleet honour guard at Zak Adama's funeral in Season 1 and in the hands of Samuel Anders' resistance fighters on Caprica in Season 2.

L85A1 with SUSAT scope - 5.56x45mm NATO

An L85A1 carried by a Caprican police officer.

There are several rifles in the STO storage room. Two of them are L85 Rifles.

M4A1 carbine

Seen among the numerous rifles at the Soldiers of the One training camp.

M4A1 Carbine, 5.56x45mm NATO

There are several rifles in the STO storage room. Two of them are M4A1 carbines in Ep. 1.16 "The Heavens Will Rise".